WO2009132612A1 - Procédé de fabrication d'un raccord de pale de rotor, raccord de pale et élément de fixation pour un raccord de pale - Google Patents

Procédé de fabrication d'un raccord de pale de rotor, raccord de pale et élément de fixation pour un raccord de pale Download PDF

Info

Publication number
WO2009132612A1
WO2009132612A1 PCT/DE2009/000488 DE2009000488W WO2009132612A1 WO 2009132612 A1 WO2009132612 A1 WO 2009132612A1 DE 2009000488 W DE2009000488 W DE 2009000488W WO 2009132612 A1 WO2009132612 A1 WO 2009132612A1
Authority
WO
WIPO (PCT)
Prior art keywords
blade
connection
fastening element
blade connection
fastening
Prior art date
Application number
PCT/DE2009/000488
Other languages
German (de)
English (en)
Inventor
Urs Bendel
Markus Werner
Martin Knops
Original Assignee
Repower Systems Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41102797&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2009132612(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Repower Systems Ag filed Critical Repower Systems Ag
Priority to US12/990,002 priority Critical patent/US8727731B2/en
Priority to DE112009001589T priority patent/DE112009001589A5/de
Priority to EP09737720.4A priority patent/EP2283231B2/fr
Priority to BRPI0911877A priority patent/BRPI0911877B1/pt
Priority to CN2009801150874A priority patent/CN101970860B/zh
Priority to ES09737720.4T priority patent/ES2382439T5/es
Priority to AT09737720T priority patent/ATE548563T1/de
Priority to DK09737720.4T priority patent/DK2283231T4/en
Publication of WO2009132612A1 publication Critical patent/WO2009132612A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • F03D1/0675—Rotors characterised by their construction elements of the blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/04—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from several pieces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making

Definitions

  • the invention relates to a method for producing a blade connection of a rotor blade for a wind turbine, which has on a circular arc, preferably provided to each other distanced fastening elements for fixing the blade connection to a hub.
  • the invention relates to a blade connection and a fastening element for a blade connection.
  • the invention has for its object to improve the attachment of a rotor blade to the hub of a wind turbine as well as the production and / or provision of a suitable blade connection.
  • a "circular arc” does not necessarily have to follow a circular course, in particular not necessarily in the production of the blade connection according to the invention is and can provide in the connection level isotropic force and moment transfers, however, it may be advantageous in the manufacture of the blade connection, which can be made and assembled in particular from circular segments, in the form of a deviating from a circular arc shape, in particular a more spread Shape, in order to take account of such a change in the shape of a leaf connection part during production and / or later on, by means of a skilful manufacture of If necessary, the shape change of the leaf connection part then leads independently to an ideal circular shape.
  • a blade connection of a rotor blade has the task of initiating and transmitting forces and moments from the rotor blade into a hub.
  • This object is the sheet connection according to the invention particularly well, where it can also relatively easily and inexpensively, especially in series with large numbers, can be made.
  • a denser placement in which according to the invention preferably alternately a fastener and a spacer in the course of the arc alternate, more fasteners are accommodated on a length of the arc.
  • the fastening of the blade connection to the hub becomes more stable or can transfer more forces, or, with the same number of fastening elements, the circular arc can be chosen to be smaller in its radius, thus saving material.
  • a fastener which has a substantially approximately rectangular, preferably rectangular, cross-section in a connecting plane or parallel thereto, that a fastener is used which has a substantially approximately square cross section or that a trapezoidal cross section is used with a radially inner tapered side to the circular arc, and / or that a substantially approximately strip-shaped spacer is used, which is oriented approximately perpendicular to a terminal plane, said spacer element may have an approximately T-shaped or hoof nail-shaped cross section or an approximately trapezoidal cross-section.
  • the spacers between the fasteners take in a Ovaü- sieren or other load deformations of the rotor blade load deformations in itself.
  • the spacers are to have a low stiffness in their thickness direction, so that they generate under tension few stresses and thus compensate for the deformations.
  • high rigidity in longitudinal directions advantageous so that the spacers also transfer load from the rotor blade in fasteners.
  • the spacers can ensure a uniform gap width between the fastening elements arranged in a circular shape by suitable shaping, in particular the mentioned trapezoidal shape.
  • Such shapes also have the advantage that the fasteners and Abstandshaiter form smooth outer and inner surfaces, so that they can be particularly well and simply connected by lamination, in particular, as provided according to a development of the invention, wherein preferably may be sufficient that (only) on the radially inner side and on the radially outer side of the arrangement, a laminate is applied.
  • this laminate per se known glass fiber and / or carbon fiber structures may be used.
  • at least one fastening element and at least one spacer element are joined together with a resin filling in a gap formed by them, in particular adhesively bonded, in order to additionally provide durability as a composite and force and torque introduction and transmission to improve.
  • at least one seal is provided for blocking the resin of a region which is not desired for a resin introduction, for which purpose seals, for example in the form of O-rings, can be provided at suitable locations.
  • At least one positioning device is provided for positioning at least one fastening element, preferably before and during a fixation of the fastening element in the blade connection.
  • the fastening elements are preferably positioned and held during the manufacture of the blade connection in a suitable manner until they are fixed in the blade connection.
  • a resin infusion technique or vacuum injection technique is preferably used substantially, so that the fastening elements could be positioned and held until the substantially sleeve-shaped or cup-shaped blade terminal or blade terminal part is cured and the fasteners are fixed thereby positioned.
  • the positioning device could, for example, comprise a flange against which the fastener elements are sealed.
  • the flange could, for example, also have at least one fitting for the fastening elements.
  • the positioning device is placed outside a vacuum or negative pressure area required for the resin infusion technique and experiences no involvement in the sealing thereof and thus the production area provided for the blade connection is sealed in a self-sufficient manner.
  • a next development of the invention provides that the or each fastening element is made entirely of metal.
  • the elements according to the invention are thus advantageously block-shaped of full material, so that they are easier to manufacture, better and easier to place, better and easier to attach, embedable or einlaminierbar and more stable.
  • a preferred embodiment of the invention is characterized in that a fastening element and / or a spacer element is used, which tapers in a rotor blade tip direction, so that these elements nestle and root better in particular between laminate layers or layers in the direction of a rotor blade course. This could still be supported by form-fitting shapes.
  • the tapering is preferably carried out in each case by an oblique flank arranged on the radially inner side.
  • a fastening element is used, which has a bolt hole for the introduction of a connecting element and / or a positioning element.
  • a fastener could have a male training, so for example, already have a bolt for screwing the blade terminal with a hub, or have a female training by a bolt hole, as in the pre-formed, preferred embodiment, comprises, or it could initially be a neutral Have training and only after the manufacture of the blade connection, for example with a tap, get a ffergewindeloch.
  • the female form is preferred for structural and manufacturing reasons.
  • the bolt hole can be screwed to attach the blade terminal to the hub, a bolt or, for example, so-called T-bolts are used.
  • the bolt hole may preferably serve to position and retain the fastener by inserting there a positioning dome or the like, preferably with a cone shape.
  • the bolt hole could have a puncture or freestage at the end facing away from the connection plane, that is, for example, it may not itself be designed as a blind hole.
  • an undercut reduces any possible notch stress.
  • it must be provided in a vacuum injection, that this bolt hole is protected and sealed from a resin inlet. This could be done by a substantially O-shaped seal coaxially around the pit hole and a positioning dome and at a distance to it.
  • the bolt hole can, as already mentioned, have an internal screw thread. This can be cut or reshaped in order to obtain higher dynamic strengths in particular by introducing compressive residual stresses.
  • the blade connection as a part, in particular as a built-in or attachment, for a later to finished rotor blade is prefabricated.
  • a plurality of such built-in parts preferably in a separate resin infusion mold, be prefabricated and then incorporated as a finished Einbauteiie in a rotor blade during its production and connected to each other, in particular be placed in a resin infusion mold for a rotor blade.
  • a closed circle or a segment thereof, in particular a semicircle is selected as arc for the sheet connection.
  • the rotor blade depending on the circular arc of the blade connection, receives a blade connection or a plurality of such blade connections, such that the finished rotor blade has a fully circular connection sleeve for connection to a hub.
  • a further development of the invention is characterized in that the blade connection is formed asymmetrically with respect to a circular arc axis from a connection plane in the rotor blade tip direction.
  • the blade connection as an installation or attachment already provides a part of an airfoil or wing form for the rotor blade or the rotor blade in its free end region.
  • the sheet connection is provided in its production at least in a partial area with a tear-off, which leaves after their tearing a continuous, but rough surface, which is gobehandelbar, especially paintable.
  • a fastener of a blade connection of a rotor blade for a wind turbine which is characterized in solution according to the problem task is claimed by a substantially approximately square, preferably approximately rectangular, cross-section in a connection plane or in parallel, independent protection.
  • FIG. 2 shows a longitudinal section through an exemplary embodiment of a fastening element according to the invention along a line indicated in FIG. 3 with II-II, FIG.
  • Fig. 3 is a plan view of the fastener gem. 2
  • Fig. 5 is a side view of a production blank for an embodiment of inventive spacer elements
  • Fig. 6 is an end view of a furtherdistinsbeisp ⁇ els a spacer element according to the invention.
  • Fig. 1 shows a section of the connection surface of a sheet connection according to the invention.
  • the section shown follows a circle segment.
  • a plurality of fastening elements 1 according to the invention are arranged, which are formed in their shown end view essentially approximately square or block-like.
  • Each of the fasteners 1 includes a bore 2 with an internal thread for screwing a bolt or a fastening screw.
  • a spacing element 4 is arranged, of which two embodiments are shown in FIG. 1, a first embodiment 4a with an approximately T-shaped end face and a second embodiment 4b with a more hoof nail-shaped end face.
  • gaps remain which can be filled with resin, for example.
  • an inner and an outer layer of a bonding material 3, for example a glass fiber material is provided, which can be impregnated, for example with resin and connected to the other elements mentioned, for example by means of an infusion method or an injection procedure.
  • FIG. 2 shows a longitudinal section through an exemplary embodiment of a fastening element 1 according to the invention along a line designated II-II in FIG. 3. Same components are, as in the other figures, designated by the same reference numerals.
  • FIG. 2 in particular, the bore 2 can be seen in a sectional view, as well as a second, smaller bore 6 for a possible fitting screw.
  • the fastening element 1 preferably tapers towards its free end along a bevel 5, which is preferably arranged on the radially inner side of the fastening element 1 with respect to the circular arc.
  • FIG. 3 shows a plan view of the fastening element 1 according to FIG. 2.
  • FIG. 4 shows a detail enlargement of the section IV framed in FIG. 2. From this FIG. 4 it can be seen how the fastening element 1 is fastened by means of a fastening screw 7 for fastening the blade connection to a hub and / or possibly also in the production of the Blade connection to a flange-like holding tion 8 could be attached. Also, a possible fitting screw in the bore 6 is indicated, as well as any circumferential grooves 9, 10 for seals.
  • the spacer elements 4 are elongated and also taper along a slope 5. There are therefore spotted two spacer elements 4, as shown, to cut from a blank, with only little waste 11 is obtained. A similar blank could possibly also be possible for the fastening elements 1.
  • FIG. 6 shows a third exemplary embodiment 4c of an end face of a spacer element, which looks approximately double-nail-shaped. Accordingly, for example, a double-T-shaped end view could be considered.
  • Such profiles are considered in particular when the fastening elements 1 show more a trapezoidal end face, so that in the arrangement of the spacer elements 4 and the fasteners 1 is more easily a circular shape.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Sustainable Development (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Connection Of Plates (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Braking Arrangements (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un raccord de pale de rotor d'une éolienne, comportant des éléments de fixation répartis de préférence de façon équidistante sur un arc de cercle, pour la fixation du raccord de pale à un moyeu. L'invention concerne également un raccord de pale et un élément de fixation pour un raccord de pale. L'invention vise à améliorer la fixation d'une pale de rotor au moyeu d'une éolienne, et la fabrication et/ou la finition d'un raccord de pale adéquat. A cet effet, le procédé consiste à disposer des éléments de fixation conçus en tant que pièces sur l'arc de cercle, et à les espacer au moyen d'espaceurs.
PCT/DE2009/000488 2008-04-29 2009-04-08 Procédé de fabrication d'un raccord de pale de rotor, raccord de pale et élément de fixation pour un raccord de pale WO2009132612A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
US12/990,002 US8727731B2 (en) 2008-04-29 2009-04-08 Method for establishing a blade connection of a rotor blade, a blade connection and a securing element for a blade connection
DE112009001589T DE112009001589A5 (de) 2008-04-29 2009-04-08 Vefahren zur Fertigung eines Blattanschlusses eines Rotorblatts, ein Blattanschluss und ein Befestigungselement für einen Blattanschluss
EP09737720.4A EP2283231B2 (fr) 2008-04-29 2009-04-08 Procédé de fabrication d'un raccord de pale de rotor, raccord de pale et élément de fixation pour un raccord de pale
BRPI0911877A BRPI0911877B1 (pt) 2008-04-29 2009-04-08 processo para produção de uma conexão de lâmina de um rotor, e conexão de lâmina
CN2009801150874A CN101970860B (zh) 2008-04-29 2009-04-08 制造转子叶片的叶片接头的方法、叶片接头和用于叶片接头的固定元件
ES09737720.4T ES2382439T5 (es) 2008-04-29 2009-04-08 Procedimiento para fabricar una conexión de pala de una pala de rotor, una conexión de pala y un elemento de fijación para una conexión de pala
AT09737720T ATE548563T1 (de) 2008-04-29 2009-04-08 Verfahren zur fertigung eines blattanschlusses eines rotorblatts, ein blattanschluss und ein befestigungselement für einen blattanschluss
DK09737720.4T DK2283231T4 (en) 2008-04-29 2009-04-08 PROCEDURE FOR MANUFACTURING A LEAF CONNECTION TO A ROTOR BLADE, LEAF CONNECTION AND ACHIEVING ELEMENT TO A LEAF CONNECTION

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008021498.1 2008-04-29
DE102008021498A DE102008021498A1 (de) 2008-04-29 2008-04-29 Verfahren zur Fertigung eines Blattanschlusses eines Rotorblatts, ein Blattanschluss und ein Befestigungselement für einen Blattanschluss

Publications (1)

Publication Number Publication Date
WO2009132612A1 true WO2009132612A1 (fr) 2009-11-05

Family

ID=41102797

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2009/000488 WO2009132612A1 (fr) 2008-04-29 2009-04-08 Procédé de fabrication d'un raccord de pale de rotor, raccord de pale et élément de fixation pour un raccord de pale

Country Status (9)

Country Link
US (1) US8727731B2 (fr)
EP (1) EP2283231B2 (fr)
CN (1) CN101970860B (fr)
AT (1) ATE548563T1 (fr)
BR (1) BRPI0911877B1 (fr)
DE (2) DE102008021498A1 (fr)
DK (1) DK2283231T4 (fr)
ES (1) ES2382439T5 (fr)
WO (1) WO2009132612A1 (fr)

Cited By (6)

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US20120315145A1 (en) * 2011-06-10 2012-12-13 Eric Grove-Nielsen Rotor blade for a wind turbine
US20120315143A1 (en) * 2011-06-10 2012-12-13 Erik Grove-Nielsen Rotor blade for a wind turbine
EP2551512A1 (fr) * 2011-07-27 2013-01-30 Alstom Wind, S.L.U. Ensemble formant connecteur de pale d'éolienne
US9957953B2 (en) 2014-06-05 2018-05-01 Siemens Aktiengesellschaft Root bushing for a blade root of a wind turbine rotor blade, a blade root, a wind turbine rotor blade and a wind turbine
DE102018005679A1 (de) 2018-07-19 2020-01-23 Senvion Gmbh Rotorblattanschluss und ein Verfahren zu seiner Herstellung
DE102019000056A1 (de) 2019-01-08 2020-07-09 Senvion Gmbh Windkraftanlage mit Befestigungselementen für ein Rotorblatt und ein Verfahren zur Herstellung einer Windkraftanlage

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GB0822681D0 (en) * 2008-12-12 2009-01-21 Aviat Entpr Ltd Rotor blades
DE102010011549A1 (de) 2010-03-15 2011-09-15 Repower Systems Ag Wartungsazimutwinkel
DE202010013535U1 (de) 2010-09-24 2010-12-02 Repower Systems Ag Blattanschluss eines Rotorblatts einer Windenergieanlage
CN103635306B (zh) * 2011-04-11 2016-05-04 Lmwp专利控股有限公司 包括在其根部区域中的圆柱形金属***件的风力涡轮机叶片
ES2393865B2 (es) * 2011-06-13 2013-06-26 Investigaciones Y Desarrollos Eólicos, S.L. Método de colocación de insertos en piezas de material compuesto.
DE102011051172A1 (de) 2011-06-17 2012-12-20 Lars Kästner Laminiertes Rotorblatt für Windenergieanlagen mit einem Befestigungssystem für Rotorblätter an der Rotornabe
EP2589796B1 (fr) 2011-11-04 2015-07-29 Siemens Aktiengesellschaft Fabrication d'une section d'ancrage
ES2531181T3 (es) 2011-11-11 2015-03-11 Nordex Energy Gmbh Conexión de pala para una pala de rotor de una planta de energía eólica
EP2623771A1 (fr) * 2012-02-03 2013-08-07 E.On Climate and Renewables UK Ltd. Elément d'assemblage de pale d'éolienne et procédé de réparation
EP2677166B1 (fr) 2012-06-22 2015-08-12 ALSTOM Renewable Technologies Pale d'éolienne avec moyens pour hisser à la racine de la pale et procédé de levage une telle pale
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EP2963282B1 (fr) * 2014-07-04 2018-10-24 Siemens Aktiengesellschaft Dispositif à anneau de montage pour une éolienne
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DE202014007558U1 (de) * 2014-09-22 2014-11-18 Wpt Nord Gmbh Bohrwerkzeug zur Modifikation einer Sacklochbohrung
US9745956B2 (en) 2014-12-10 2017-08-29 General Electric Company Spar cap for a wind turbine rotor blade
DE102015007977A1 (de) 2015-06-23 2016-12-29 Senvion Gmbh Rotorblattanschluss mit Stahl-Laminat-Verklebung
US10190571B2 (en) 2015-07-01 2019-01-29 General Electric Company Ring insert for a wind turbine rotor blade
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US10060411B2 (en) 2015-07-22 2018-08-28 General Electric Company Rotor blade root assembly for a wind turbine
US10626847B2 (en) 2017-01-05 2020-04-21 General Electric Company Method for manufacturing a wind turbine rotor blade root section with pultruded rods and associated wind turbine blade
EP3697603A1 (fr) * 2017-10-18 2020-08-26 LM Wind Power International Technology II ApS Pale d'éolienne comprenant une structure d'emplanture à positionnement adaptatif de l'élément pultrudé
US10677216B2 (en) 2017-10-24 2020-06-09 General Electric Company Wind turbine rotor blade components formed using pultruded rods
US11408392B2 (en) 2017-12-08 2022-08-09 Vestas Wind Systems A/S Insert and blank for a wind turbine blade root
US11167507B2 (en) 2018-03-16 2021-11-09 General Electric Company Method for manufacturing a wind turbine rotor blade root assembly
US11738530B2 (en) 2018-03-22 2023-08-29 General Electric Company Methods for manufacturing wind turbine rotor blade components
ES2918026T3 (es) * 2018-04-16 2022-07-13 Nordex Energy Se & Co Kg Cojinete para una pala de rotor de turbina eólica, inserto de pestaña, pala de rotor de turbina eólica y turbina eólica
EP3561292B1 (fr) * 2018-04-25 2023-01-18 Nordex Energy SE & Co. KG Boulons filetés de fixation pour la production d'un raccord à bride d'une pale de rotor d'une éolienne, système, procédé, insert à bride, pale de rotor ainsi qu'éolienne
EP3822065B1 (fr) * 2019-11-14 2024-07-31 Siemens Gamesa Renewable Energy A/S Procédé pour la fabrication des elements d'un segment racine pour une pale d'éolienne, procédé pour la fabrication d'un segment racine et procédé por la fabrication d'une pale d'éolienne
CN111022248B (zh) * 2019-12-26 2024-04-16 中材科技风电叶片股份有限公司 风电叶片叶根的预制件、叶根部件、叶片及其制造方法
EP4119790A1 (fr) 2021-07-12 2023-01-18 General Electric Renovables España S.L. Ensemble pale de turbine éolienne et procédés
EP4239186A1 (fr) * 2022-03-02 2023-09-06 LM Wind Power A/S Ensemble dispositif de fixation, ensemble moyeu d'éolienne et procédés associés

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US9410529B2 (en) 2011-06-10 2016-08-09 Siemens Aktiengesellschaft Rotor blade for a wind turbine
EP2551512A1 (fr) * 2011-07-27 2013-01-30 Alstom Wind, S.L.U. Ensemble formant connecteur de pale d'éolienne
WO2013014228A1 (fr) * 2011-07-27 2013-01-31 Alstom Wind, S.L.U. Ensemble de jonction d'une pale de turbine éolienne
US9790918B2 (en) 2011-07-27 2017-10-17 Alstom Renewable Technologies Wind turbine blade connector assembly
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WO2020144199A1 (fr) 2019-01-08 2020-07-16 Senvion Gmbh Éolienne dotée d'éléments de fixation pour une pale de rotor et procédé de fabrication d'une éolienne

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EP2283231B1 (fr) 2012-03-07
ES2382439T3 (es) 2012-06-08
EP2283231A1 (fr) 2011-02-16
US8727731B2 (en) 2014-05-20
EP2283231B2 (fr) 2017-03-08
US20110044817A1 (en) 2011-02-24
ES2382439T5 (es) 2017-08-21
DE112009001589A5 (de) 2011-03-31
CN101970860B (zh) 2013-07-24
CN101970860A (zh) 2011-02-09
BRPI0911877B1 (pt) 2020-04-28
BRPI0911877A2 (pt) 2018-08-14
DE102008021498A1 (de) 2009-11-05
DK2283231T3 (da) 2012-06-11
ATE548563T1 (de) 2012-03-15
DK2283231T4 (en) 2017-05-08

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